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1、工程水文及水利计算课程设计 学 校： 云南农业大学 学 院： 水利学院 姓 名： 毛洪灵 学 号： 2011312396 专 业: 水利水电工程 指导老师： 王 龙 完成日期：2014年01月01日一 推求设计年径流 (一)资料： 已知某拟建水库坝址处逐年月平均流量表(见下表一) (二)要求：(1)如果设计水库的年径流设计保证率为p=90%，丰水采用p=10%，平水采用p=50%试用频率分析法求丰平枯的设计年径流值。 (2)根据设计年径流成果，选择典型年，用同倍比方法推求p=90%的年径流过程。 (三)交阅成果： (1)频率分析计算表。 (2)频率分析适线图。(3)频率p=90%的设计年径流过
2、程。表一 年月径流过程表月年345678910111212年平均19303112121421616160.228.869.046.715.641.437.615597.2313213110530016810232.8109.018.421.725.013.160.290.5323344.812332139464.629.548.712.629.518.744.0122104.4333414115520140710868.630.714.214.77.710.917.698343511822514118614.88.518.59.014.819.146.754.871.4353682.31789
3、1.538677.692.644.516.237.837.454.085.898.6363714828218634869.096.928.75.56.56.510.457.5103.8373818720818233135.414528.018.314.27.033.695.4107.1383978.529.116311247.524.69.84.02.82.82.714.340.9394011615278.810011118.723.820.435.418.019.644.061.5404115520.462.363.057.918.896.215720.78.032.784.664.7414
4、215061.517219420195.780.09.146.033.311.350.592424310114421449263.78.01267.37.415.212.238.7102.5434411262.511337711675.013.050.86.36.431.277.586.7444548.019522616129.578.336.056.714722.033.154.390.6454669.448.544.587.312121.520937.341.238.010.833.063.5464725393.523216027059.549.117.729.561.064.263.41
5、12.7474844.843.214520870.146.423.528.510.213.715.617568.7484916980.028124835588.048.010.69.040.023.040.0116495012519514929417497.016.477.013.251.021.1102109.6505190.088.518725887.077.013125.015.619.438.075.091515220922668.017138.018.547.024.023.331.331.311983.9525320610228527323383.511836.911.49.550
6、.454.5121.9535410110220830922.637.392.738.616668.074.335.4104.6545569.721335045222962.38.65.03.85.24.863.1122.2555610489.718240734.526.813.82.94.02.55.221.374.5565710697.729110511.666.719925.37.15.412.750.381.5575882.821422098.815.539.616.334.712.615.012.334.566.3585917112935642.226.925.882.433.98.7
7、4.914.122993.7596027.320.725523897.650.5128.57.414.912.435.69.974.8606110189.313117319574.596.03.317.48.319.013486.86162104.510222020349.738.166.325.721.510.822.49.472.8626312018828127017098.462.343.525.513.25.88.8107.2636420.762.919616528.539.067.77.422.112.362.948.961.1646580.472.221031627.428.111
8、.738.07.33.22.832.169.1656652.218694.017054.448.915.739.269.985.656.963.778666711819955.313817211.826.28.26.615.66.740.666.5676893.510529528238.48.63.61.83.23.62.815.271.1686956.493.413522722710.913.79.23.415.451.411279.6697099.487.327317617937.531.014.19.17.027.236.681.47071179170218258125某拟建水库坝址处逐
9、年月平均流量理论频率曲线计算表年份年平均流量Qi(m3/s)序号由大到小排列Qi(m3/s)模比系数KiKi-1(Ki-1)2P=m/(n+1)*100%19303197.21122.21.41 0.41 0.17 2.44 313290.52121.91.41 0.41 0.16 4.88 3233104.431161.34 0.34 0.11 7.32 3334984112.71.30 0.30 0.09 9.76 343571.45109.61.26 0.26 0.07 12.20 353698.66107.21.24 0.24 0.06 14.63 3637103.87107.11.2
10、4 0.24 0.06 17.07 3738107.18104.61.21 0.21 0.04 19.51 383940.99104.41.20 0.20 0.04 21.95 394061.510103.81.20 0.20 0.04 24.39 404164.711102.51.18 0.18 0.03 26.83 4142921298.61.14 0.14 0.02 29.27 4243102.513981.13 0.13 0.02 31.71 434486.71497.21.12 0.12 0.01 34.15 444590.61593.71.08 0.08 0.01 36.59 454663.516921.06 0.06 0.00 39.02 4647112.717911.05 0.05 0.00 41.46 474868.71890.61.04 0.04 0.00 43.90 48491161990.51.04 0.04 0.00 46.34 4950109.62086.81.00 0.00 0.00 48.78 5051912186.71.00 0.00 0.00 51.22 515283.92283.90.97 -0.03 0.
